1
Balance the scale: 9 + 10 17 + ? =
2
Balance the scale: 8 + 7 1 + ? =
3
Balance the scale: 2 + 2 3 + ? =
4
Balance the scale: 7 + __ 9 =
5
If left side 7 × 9, what does the right side equal to balance the scale? =
6
Balance the scale: 4 + 2 1 + ? =
7
Balance the scale: 3 + __ 8 =
8
Balance the scale: 4 + __ 9 =
9
Balance the scale: 4 + __ 5 =
10
Balance the scale: 7 + 9 10 + ? =
11
Balance the scale: 3 + 9 8 + ? =
12
Balance the scale: 2 + __ 3 =
13
If left side 4 × 6, what does the right side equal to balance the scale? =
14
If left side 7 × 5, what does the right side equal to balance the scale? =
15
If left side 9 × 10, what does the right side equal to balance the scale? =
16
If left side 3 × 5, what does the right side equal to balance the scale? =
17
Balance the scale: 5 + 3 5 + ? =
18
If left side 5 × 7, what does the right side equal to balance the scale? =
19
Balance the scale: 1 + __ 4 =
20
Balance the scale: 4 + 1 2 + ? =